| 生物土壤与生态 |
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| Evaluation of Drought Resistance Capacity of Desert Shrubs in Hobq Desert based on Characteristics of Leaf Anatomical Structure |
| LI Ai-ping1, WANG Xiao-jiang1, YANG Xiao-yu2, ZHANG Lei1 |
| 1.Inner Mongolia Academy of Forestry Science, Hohhot 010010, China; 2.Inner Mongolia Agricultural University, Hohhot 010019, China |
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Abstract The leaf thickness, cuticle thickness, palisade tissue thickness, palisade tissue cell length, palisade tissue cell wide, palisade tissue cell density and tissue structure tense ratio(CTR ) of six desert shrubs (Atripldex canescens, Caragana microphylla, Hedysarum leave, Tamarix chinensis, Buddleja alternifolia and Caryopteris mongolica) in Hobq Desert are observed under microscopy. Comparison of the characteristics of leaf anatomical structure shows that the leaf thickness of Tamarix chinensis is greater than that of the other 5 species, and leaf thickness of Buddleja alternifolia is the smallest; the cuticle thickness of Buddleja alternifolia is the biggest; the sequence of the ratio of cuticle thickness to leaf thickness is Buddleja alternifolia>Atripldex canescens>Tamarix chinensis>Caragana microphylla>Caryopteris mongolica>Hedysarum leave; the sequence of CTR is Caryopteris mongolica>Hedysarum laeve>Caragana microphylla>Buddleja alternifolia>Atripldex canescens>Tamarix chinensis. The comprehensive evaluation result of drought resistance capacity of these six desert shrubs is Hedysarum laeve>Atripldex canescens>Tamarix chinensis>Caryopteris mongolica>Caragana microphylla>Buddleja alternifolia based the calculation of Membership Function.
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Received: 06 January 2010
Published: 20 November 2010
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2010, Vol. 30 
